var win= null;
function NewWindow(mypage,myname,w,h,s,scroll){
  var h = +h;
  var s = +s;
  var h2 = +h+s;
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h2)/2;
  var settings  ='height='+h2+','; //700
      settings +='width='+w+','; //450
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
	  settings +='location=no,';
	  settings +='toolbar=no,';
	  settings +='directories=no,';
	  settings +='menubar=no,';
	  settings +='status=yes,';
      settings +='resizable=no';
  win=window.open(mypage,myname,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}